diff options
Diffstat (limited to 'arch/s390/kernel/traps.c')
| -rw-r--r-- | arch/s390/kernel/traps.c | 52 |
1 files changed, 7 insertions, 45 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 3d2b0fa37db..70ecfc5fe8f 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -41,8 +41,6 @@ #include <asm/ipl.h> #include "entry.h" -void (*pgm_check_table[128])(struct pt_regs *regs); - int show_unhandled_signals = 1; #define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; }) @@ -350,7 +348,7 @@ void __kprobes do_per_trap(struct pt_regs *regs) force_sig_info(SIGTRAP, &info, current); } -static void default_trap_handler(struct pt_regs *regs) +void default_trap_handler(struct pt_regs *regs) { if (user_mode(regs)) { report_user_fault(regs, SIGSEGV); @@ -360,9 +358,9 @@ static void default_trap_handler(struct pt_regs *regs) } #define DO_ERROR_INFO(name, signr, sicode, str) \ -static void name(struct pt_regs *regs) \ -{ \ - do_trap(regs, signr, sicode, str); \ +void name(struct pt_regs *regs) \ +{ \ + do_trap(regs, signr, sicode, str); \ } DO_ERROR_INFO(addressing_exception, SIGILL, ILL_ILLADR, @@ -417,7 +415,7 @@ static inline void do_fp_trap(struct pt_regs *regs, int fpc) do_trap(regs, SIGFPE, si_code, "floating point exception"); } -static void __kprobes illegal_op(struct pt_regs *regs) +void __kprobes illegal_op(struct pt_regs *regs) { siginfo_t info; __u8 opcode[6]; @@ -536,7 +534,7 @@ DO_ERROR_INFO(specification_exception, SIGILL, ILL_ILLOPN, "specification exception"); #endif -static void data_exception(struct pt_regs *regs) +void data_exception(struct pt_regs *regs) { __u16 __user *location; int signal = 0; @@ -611,7 +609,7 @@ static void data_exception(struct pt_regs *regs) do_trap(regs, signal, ILL_ILLOPN, "data exception"); } -static void space_switch_exception(struct pt_regs *regs) +void space_switch_exception(struct pt_regs *regs) { /* Set user psw back to home space mode. */ if (user_mode(regs)) @@ -629,43 +627,7 @@ void __kprobes kernel_stack_overflow(struct pt_regs * regs) panic("Corrupt kernel stack, can't continue."); } -/* init is done in lowcore.S and head.S */ - void __init trap_init(void) { - int i; - - for (i = 0; i < 128; i++) - pgm_check_table[i] = &default_trap_handler; - pgm_check_table[1] = &illegal_op; - pgm_check_table[2] = &privileged_op; - pgm_check_table[3] = &execute_exception; - pgm_check_table[4] = &do_protection_exception; - pgm_check_table[5] = &addressing_exception; - pgm_check_table[6] = &specification_exception; - pgm_check_table[7] = &data_exception; - pgm_check_table[8] = &overflow_exception; - pgm_check_table[9] = ÷_exception; - pgm_check_table[0x0A] = &overflow_exception; - pgm_check_table[0x0B] = ÷_exception; - pgm_check_table[0x0C] = &hfp_overflow_exception; - pgm_check_table[0x0D] = &hfp_underflow_exception; - pgm_check_table[0x0E] = &hfp_significance_exception; - pgm_check_table[0x0F] = &hfp_divide_exception; - pgm_check_table[0x10] = &do_dat_exception; - pgm_check_table[0x11] = &do_dat_exception; - pgm_check_table[0x12] = &translation_exception; - pgm_check_table[0x13] = &special_op_exception; -#ifdef CONFIG_64BIT - pgm_check_table[0x18] = &transaction_exception; - pgm_check_table[0x38] = &do_asce_exception; - pgm_check_table[0x39] = &do_dat_exception; - pgm_check_table[0x3A] = &do_dat_exception; - pgm_check_table[0x3B] = &do_dat_exception; -#endif /* CONFIG_64BIT */ - pgm_check_table[0x15] = &operand_exception; - pgm_check_table[0x1C] = &space_switch_exception; - pgm_check_table[0x1D] = &hfp_sqrt_exception; - /* Enable machine checks early. */ local_mcck_enable(); } |